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GenaCL600 [577]
3 years ago
5

Which expression is equivalent to −4.6+(−0.4)+(−7.2) ? (4.6+0.4+7.2) −4.6−(0.4+7.2) (4.6+0.4)+(−7.2) −(4.6−0.4)+(−7.2)

Mathematics
1 answer:
Volgvan3 years ago
4 0

Answer:

−4.6+(−0.4)+(−7.2) =−4.6−(0.4+7.2)

Step-by-step explanation:

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podryga [215]
1. Add all of the sides

So it should be 22
3 0
3 years ago
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A prism with a base area of 8 cm² and a height of 6 cm is dilated by a factor of 54 . What is the volume of the dilated prism? E
Aliun [14]

Question:

A prism with a base area of 8 cm² and a height of 6 cm is dilated by a factor of 5/4 .

What is the volume of the dilated prism?

Enter your answer, as a decimal, in the box.

Answer:

The volume of the dilated prism is 93.75 \ {cm}^{3}

Explanation:

A prism with a base area of 8 cm² and a height of 6 cm

The volume of the prism can be determined by the formula, V=Bh

Volume of the prism is given by

V=Bh

V=(8)(6)

V=46\ cm^3

Thus, the volume of the prism is 46 \ {cm}^{3}

It is also given that the volume of the dilated prism is dilated by a factor of \frac{5}{4}

Hence, the new volume is given by

Volume = 48(\frac{5}{4} )^3

             =48(\frac{125}{64} )

             =48(1.953125)

             =93.75 \ {cm}^{3}

Thus, the volume of the dilated prism is 93.75 \ {cm}^{3}

3 0
3 years ago
Sorry for asking a lot but could you all help me with 15-23? It would mean a lot. I stayed up till 4:00 am and got no sleep so I
irinina [24]

Answer:

52

Step-by-step explanation:

8 0
3 years ago
What is the question?
max2010maxim [7]

Answer:

(23, 4)

Step-by-step explanation:

If we use substitution, we need to rewrite the 2nd equation so we can substitute it into the first.

Step 1: Rewrite 2nd equation

x = 5y + 3

Step 2: Substitution

2(5y + 3) - 5y = 26

Step 3: Distribute

10y + 6 - 5y = 26

Step 4: Combine like terms

5y + 6 = 26

Step 5: Isolate <em>y</em>

5y = 20

y = 4

Step 6: Find <em>x</em>

x - 5(4) = 3

x - 20 = 3

x = 23

And we have our final answer!

7 0
3 years ago
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Please help quickly !
GalinKa [24]

Answer:

1. multiplication property of equality

2. division  property of equality

Step-by-step explanation:

1. multplied by -3/2

2. divided by -2/3

8 0
4 years ago
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